Alpha Tool.Com.HK Limited 225 manuale d’uso

103 Bauer Drive, Oakland, NJ 07436 • 800-648-7229 • Fax: 800-286-01 14 www .alpha-tools.com Part No: HSG-125 HSG-225 Alpha ® High-Speed Ang le Grinder Instr uction Manual MANUAL[...]

2 T ABLE OF CONTENTS High-Speed Angle Grinder Overview ...........................................................................3 Specifi cations .................................................................................................... 3 Accessories ......................................................................................[...]

3 HIGH-SPEED ANGLE GRINDER OVERVIEW SPECIFICA TIONS Power Supply ........................................................... Single-Phase AC, 50 / 60 Hz Rating ............................................................................................ 1 15 / 230 V olts Amperage ......................................................................[...]

4 ACCESSORIES COMPONENTS: Protective Cover w/ Clamp Screw (Part No. 130653) Side Handle (Part No. 130433) Inside Flange and Locking Flange Set with 7/8” Arbor (Part No. 136038 & 136039) * Pin spanner Wrench 34 mm (Part No. 130434) Extra Carbon Brush Set (Part No. 136046) Extra Inside Flange & Locking Flange Set with 20mm Arbor (Part No. 1[...]

5 INTRODUCTION Thank you for purchasing the Alpha ® High-Speed Angle Grinder . Please read this instruc- tion manual thoroughly to ensure safety and correct use of this tool. Keep this manual in a place where operators can access it easily whenever necessary . ABOUT THE SYMBOLS According to the hazard level, all safety notes in this manual are cla[...]

6 CAUTION! The following are important notes for products, operation, and maintenance applicable to this High-Speed Angle Grinder . GENERAL SAFETY RULES WORK AREA Keep your work area clean and well lit . Cluttered benches and dark areas invite accidents. Do not operate power tools in explosive atmospheres, such as in the presence of fl ammable liq[...]

7 Remove adjusting keys or wrenches before turning the tool on . A wrench or a key that is left attached to a rotating part of the tool may result in personal injury . Do not overreach . Keep proper footing and balance at all times. Proper footing and balance enables better control of the tool in unexpected situations. Do not use on a ladder or uns[...]

8 SPECIFIC SAFETY RULES Accessories must be rated for at least the speed recommended on the tool warning label . Wheels and other accessories running over rated speed can fl y apart and cause injury . Hold tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its own cord . Contact wit[...]

9 overheating. Below table shows the correct size to use depending on cord length and nameplate ampere rating. If in doubt, use the next heavier gauge. The smaller the gauge number , the heavier the cord. Ampere Rating T otal length of cord in feet (1 15V ) 25ft 50ft 100ft More Than Not More Than A WG 0 6 18 16 16 6 10 18 16 14 10 12 16 16 14 12 16[...]

10 • Check grinding tools before use. The grinding wheel must be properly mounted and turn freely . Perform a test run for at least 30 seconds without any load. Do not use damaged, out of round or vibrating grinding tools. • Immediately switch off the machine in case of considerable vibrations or if other malfunctions occur . Check the machine [...]

11 action may decrease the rotation speed which reduces the effi ciency of the grinder . 3. Hold the tool with both hands while starting; the torque from the motor will cause the tool to jerk. 4. When the grinding wheel fi rst comes into contact with the work surface or when the wheel is new , make contact slowly . 5. Keep moving the tool in a ci[...]

12 Switching off : T o unlock, depress the back of the sliding switch. The switch will automatically move back as shown in Figure 4. BEFORE USE DANGER! Before using the machine, check the following items. In particular , check items 1 to 5 before plugging the power supply cord into the power outlet. 1. Check the working voltage. – Be sure the vol[...]

13 W ARNING! 1. Before turning the switch ON, make sure the rotating parts are not touching anything. If the switch is turned ON while they are in contact with anything else, the wheel may get damaged and may cause injuries. 2. When a new wheel is attached and the switch is turned ON, keep your body well away from the exposed sides of the wheel for[...]

14 USING THE T OOL PROTECTIVE COVER INST ALLA TION CAUTION! The protective cover should be used to prevent the dust and fl ying debris from hitting the operator or from going inside the tool. Failure to do so can shorten the life of the tool and void the limited warranty . 1. Slide the protective cover onto clamping collar so that the lip on the p[...]

15 ASSEMBLING SPINDLE A TT ACHMENTS CAUTION! Do not leave threaded accessories on the spindle of the tool for extended periods of time, as this may result in making it diffi cult to remove these accessories. Note: The Alpha ® High-Speed Angle Grinder has a 5/8”-1 1 spindle thread . It comes with two Inside Flange and Locking Flange sets: 20mm A[...]

16 While depressing the spindle button, rotate the spindle until the spindle lock button is inserted into the gear , thus locking the spindle in a fi xed position. With the spindle locked in place, turn the locking fl ange clockwise until hand-tight. Use the 34mm pin spanner wrench to secure tightly . DISASSEMBLING SPINDLE A TT ACHMENTS Please fo[...]

17 CHECKING AND REPLACING THE CARBON BRUSHES In order to keep the tool running correctly , you need to check the carbon brushes after every one hundred hours of use. Carbon brushes wear out over time based on the grinder ’s usage. If a carbon brush is worn out, it may cause the motor to malfunction or fail to run. The carbon brushes should be rep[...]

18 CARBON BRUSH HOLDER REMOV AL Disconnect the power wire from carbon brush holder . Note: Each grinder has 2 carbon brushes located on opposite sides of each other . 2. Remove the carbon brush holder from the motor housing by pulling the holder out with a pair of needle nose pliers. 3. With the carbon brush holder removed, you can check and clean [...]

19 4. Pictured on the left below , is a worn carbon brush in the holder (Note: the twisted wire is at the end of the slot and the carbon brush is almost fl ush with holder) . On the right below , is a new carbon brush in the holder . NOTE: Carbon brushes sometime wear at different rates; however , both carbon brushes should be replaced at the same[...]

20 2. Remove the old carbon brush and disconnect the wire terminal. If the inside of the holder is fi lled with dust, clean it before installing the new carbon brush. Upon instal- lation of the new carbon brush, make sure the twisted wire is in the slot and behind wire terminals on the holder (as in Figure 22 right photo). 3. With the carbon brush[...]

21 ALPHA ® HIGH-SPEED ANGLE GRINDER SCHEMA TIC (HSG-125)[...]

22 ALPHA ® HIGH-SPEED ANGLE GRINDER P ARTS LIST (HSG-125) DRA WING NO. P ART NO. DESCRIPTION PIECES 1 130391 O Ring 16×2 1 2 130390 Lock 1 3 130389 Spring 1 4 130388 Screw M4×7 2 5 130384 Gear Box Assembly 1 6 130458 Needle Bearing HK0709F (7×1 1×9) 1 7 130450 Snap Ring 13.5×1.2 1 8 130426 Lock Flange 1 9 130420 Small Gear+Oil Wiper 1 1 1 130[...]

23 ALPHA ® HIGH-SPEED ANGLE GRINDER P ARTS LIST (HSG-125) DRA WING NO. P ART NO. DESCRIPTION PIECES 34 136044 Armature Assembly 1 36 130407 Rear Motor Housing (Blue) 1 37 130376 Insulation Disc 1 38 130657 Condenser Assembly 1 39 130381 Ball Bearing 607-2Z (7×19×6) 1 40 130375 Bearing Sleeve 1 41 130027 Self-tapping Screw 3.9 X9.5 2 42 130026 Ca[...]

24 Limited W arranty of Alpha ® High-Speed Angle Grinder for the USA and Canada ONL Y! Alpha Professional T ools ® warrants this product against defects in material and workmanship for a period of 180 days from the date of original retail purchase (proof of purchase required). If Alpha Professional T ools ® receives notice of such defects during[...]

25 For more information concerning Alpha ® tool repair service, please contact the Alpha ® regional repair centers listed below: COMP ANY HEADQUARTERS: Alpha Professional T ools ® 103 Bauer Drive Oakland, NJ 07436 Hours of Operation : 8:30 a.m. – 5:00 p.m. EST T elephone Number: 201-337-3343 T oll-Free Number: 800-648-7229 Website: www .alpha-[...]

26 EC DECLARA TION OF CONFORMITY Name of Manufacturer: Alpha Professional T ools ® Address of Manufacturer: 103 Bauer Drive Oakland, NJ 07436 U S A Herewith declares that: ELECTRIC HAND T OOL: “High-Speed Angle Grinder” Make: Alpha Professional T ools ® T ype: HSG-125/HSG-225 -Does comply with the provisions of the Low V oltage Directive 73/2[...]

27 PRODUCT REGISTRA TION CARD Model No. Serial No. Company Name: ______________________________________________ Name: ______________________________________________________ Address: ____________________________________________________ City: _______________________State: ________Zip: ________________ T elephone: _____________________________________[...]

Copyright © 2008 Alpha Professional T ools. All rights reserved. 103 Bauer Drive, Oakland, NJ 07436 • 800-648-7229 • Fax: 800-286-01 14 www .alpha-tools.com 1 1/2008[...]